Panerai caliber OP XXX

Brand:Panerai
Reference:OP XXX
Base: ETA 7750
Movement:Automatic
Display:Analog
Diameter:30.00
Jewels:25
Reserve:50
Frequency:28800
Date:Date
Hands:Hours, Minutes, Small Seconds

Description

Successor to OP III; originally a stripped-down version of the Valjoux 7750.

All watches using this caliber: